CN1346311A - Multilayer device for storing and transporting chemicals - Google Patents

Multilayer device for storing and transporting chemicals Download PDF

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Publication number
CN1346311A
CN1346311A CN00806093A CN00806093A CN1346311A CN 1346311 A CN1346311 A CN 1346311A CN 00806093 A CN00806093 A CN 00806093A CN 00806093 A CN00806093 A CN 00806093A CN 1346311 A CN1346311 A CN 1346311A
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CN
China
Prior art keywords
hdpe
container
extruder
high density
density polyethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN00806093A
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Chinese (zh)
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CN1274492C (en
Inventor
H·U·哈恩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reed & Co Ltd
Honeywell Specialty Chemicals Seelze GmbH
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Reed & Co Ltd
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Publication date
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Publication of CN1346311A publication Critical patent/CN1346311A/en
Application granted granted Critical
Publication of CN1274492C publication Critical patent/CN1274492C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7126—Containers; Packaging elements or accessories, Packages large, e.g. for bulk storage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/005—Means for facilitating the complete expelling of the contents the container being rigid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Vending Machines For Individual Products (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Wrappers (AREA)

Abstract

The invention relates to a multilayer device for storing and transporting chemicals, especially highly pure, liquid chemicals for the electronics industry. The device is produced from a thermoplastic by co-extrusion. The innermost layer of the device on the contents side is produced from a stabiliser-free HDPE. The invention relates to a method for producing a multilayer device for storing and transporting chemicals, especially highly pure, liquid chemicals for the electronics industry, using a multilayer blow extruder with at least one inner extruder and at least one outer extruder. The method has at least the following steps: a) charging the outer extruder with an extrudable polymer or copolymer and the inner extruder with a stabiliser-free HD-PE; b) plasticising the polymer or copolymer in the outer extruder and the stabiliser-free HD-PE in the inner extruder; c) co-extruding the plasticised polymer or copolymer in the outer extruder and the stabiliser-free HD-PE in the inner extruder into a forming device; d) forming the device for storing and transporting chemicals in the forming device.

Description

Be used to store and transport the laminated vessel of chemicals
The present invention relates to be used to store and transport the laminated vessel (vorrichtung) of chemicals, especially for the laminated vessel that stores and transport high-purity liquid chemicals on the electronics industry.
When making electronic component, need highly purified liquid chemicals usually.When particularly making extensive integrated micro chip, need high purity.In general, the purity requirement of liquid towards special chemical article (process auxiliaries that for example is used for electronics industry) is more and more higher in recent years.Not only require to produce the chemicals of required purity, but also must guarantee in transportation, storage and use, not make chemicals to be polluted.Therefore, also must guarantee the safety that stores and transport, because some chemicals is mordant, in addition virose.So for example must get rid of to greatest extent because the damage of cask or the not good chemicals accidental release that causes of sealing.
Therefore, when selecting the material of this class container, must consider two factors.The first, must consider to get rid of any pollution during selection by the container wall materials that contacts with transportation or storage chemicals.Transport the pollution of chemicals except avoiding and consider that this container must have enough rigidity and certain elasticity the anti-life-span of transporting chemicals dipping, thereby make this container can be withstand voltage and shock-resistant, and both indeformable, can not ftracture yet.In addition, the capacity of this container should be bigger, and its manufacturing not only soon but also simple.
By DE19628643 as can be known, some polyethylene (high density polyethylene (HDPE) that does not particularly contain stabilizing agent) is applicable to storage and the cask of making used high-purity chemicals on the electronics industry very much.Satisfactory is that proportion is 0.970 gram per centimeter 3, be preferably the 0.942-0.961 gram per centimeter 3High density polyethylene (HDPE).Belong to the extraordinary polyethylene of selling with trade name Lupolen that has of this class high density polyethylene (HDPE), Lupolen  6021D, Lupolen  5021D, Lupolen  4261AQ149 and Lupolen  4261AQ135 are wherein arranged.According to above-mentioned prior art, make cell therefor by the plate that above-mentioned material constitutes by welding.Because need the corresponding extrusion board of welding, the manufacture method of this container is time-consuming expensive.In addition, the weld seam that produces during owing to welding and welding guarantees that unsatisfactorily Lupolen  6021D reaches the performance of quality requirement.On the other hand, can't produce volume with blow moulding so far for example is 200 liters individual layer extrusion blow cask, or the mechanical requirement of the container that makes when not meeting the dangerous articles package material tests.
The problem that the present invention will solve is that a kind of container and corresponding method of manufacture that is used for storage and transporting Chemicals (particularly used in electronic industry high purity liquid chemical product) is provided.This container meets above-mentioned requirements, and manufacture method is simple and rapid.
Above-mentioned problem is solved by the method described in container described in the claim 1 and the claim 15.Embodiment that it is detailed and advantage record are in the dependent claims.
The invention provides a kind of container that is used for storage and transporting Chemicals (the particularly high-purity liquid chemicals of used in electronic industry).This container constitutes with the coetrusion manufacturing with by thermoplastic.This container is made by the high density polyethylene (HDPE) that does not contain stabilizing agent (HDPE) at the innermost layer of content one side.In the present invention, the HDPE that does not contain stabilizing agent is meant the HDPE that need not any common stabilizing agent makes.Common stabilizing agent means the known antioxidant (for example referring to publications such as " plastics (Kunststoffe) " 78 (2), 142 (1988)) of those of skill in the art in this area.
The HDPE that does not contain stabilizing agent better is that proportion is the 0.940-0.970 gram per centimeter 3, 0.942-0.961 gram per centimeter more fortunately 3, 0.946-0.960 gram per centimeter more preferably 3Polyethylene.This polyethylene discharges the particulate contaminant of minute quantity when contacting with the high purity liquid chemical product.
In another particularly preferred embodiment, the HDPE that does not contain stabilizing agent is that proportion is the 0.940-0.970 gram per centimeter 3, be preferably the 0.942-0.961 gram per centimeter 3, 0.946-0.960 gram per centimeter more preferably 3Polyethylene.This polyethylene with alkalescence, neutral discharge a kind of in the following impurity in ionized state when contacting at least with acid high-purity chemicals:
Al≤60 nanogram/grams,
Ca≤60 nanogram/grams,
Fe≤63 nanogram/grams,
Mg≤16 nanogram/grams,
Ti≤4 nanogram/grams,
Zn≤6 nanogram/grams,
Mn≤0.3 nanogram/gram,
Cu≤1.5 nanogram/grams.
Another characteristics that do not contain the HDPE of stabilizing agent are that its catalyst residue content is low, and this makes this type of material discharge few especially ionic impurity when contacting with acid high-purity chemicals with alkalescence.In addition, the grain amount of the chemicals that stores or transport and this type of material interaction generation is also less.Granule content preferably keeps following ratio:
Particle grain size≤0.5 micron: content≤5/ milliliters of liquid,
Particle grain size≤0.2 micron: content≤50/ milliliters of liquid,
Particle grain size≤0.1 micron: content≤500/ milliliters of liquid.
The preferred especially HDPE product of selling with trade name Lupolen  6021D or Lupolen  4261AQ149 that uses adopts this class material just can guarantee the purity of high-purity chemicals.In addition, this material also has good extrudability.
In order to address the above problem, the present invention selects multilayer to blow crowded or the coextrusion method is made the container that is used to store or transport high-purity chemicals.According to the present invention, with do not contain stabilizing agent, high-purity HDPE layer that mechanical strength is low is used in a side that contacts with content, cladding material then adopts a kind of optional common extrudable material.Multilayer is blown squeezing can make container of the present invention in continuous production technology.Therefore, compare, can save considerable cost and time with the welding that uses so far.In addition, because container of the present invention is made in one piece, there are not weld seam or similar weak spot, so its, more shock resistance more withstand voltage than traditional container.When coextrusion, the multilayered molten polymer is overlayed in the extrusion die, and mutually combine.This multilayer die head has a plurality of fused mass inlets and a shared exit passageway.
When innermost layer uses different materials with other layer, be preferably in and clamp-on adhesive layer between each layer, thereby between each layer, produce the nonvolatil bonding of stable mechanical performance, and make the container made be stressed, impact and still can be sturdy and durable during other external mechanical influence power.Container of the present invention is good with the structure of 2-5 layer.From inside to outside each layer preferably made by following material successively: but HDPE-binding agent-polyamide or EVOH-bonding agent-optional polyethylene extrusion.Innermost layer preferably accounts for the 10-20% of this container wall thickness, and outermost layer preferably accounts for the 50-80% of this container wall thickness, and three intermediate layers account for the 10-30% of total wall thickness.
Another layer (preferably outermost layer) at least of container of the present invention should adopt extrudable polymer or copolymer to make, and is the 0.940-0.970 gram per centimeter by proportion better 3, be preferably the 0.942-0.961 gram per centimeter 3, be preferably the 0.946-0.960 gram per centimeter 3HDPE make.
One preferred embodiment in, outermost layer contains at least a HDPE.These HDPE are selected from the mixture of Lupolen  5261D, Lupolen  4261AQ135, Hostalen  GM6255, Fina  56020, Borealis  8214, Stamylan  7731, Stamylan  7890 and Daplen  AH5493 or above-mentioned two or more HDPE.
Another preferred embodiment in, outermost layer also can contain can make the anti-ultraviolet pigment of this layer energy.Therefore, in transportation, protect this container to avoid any infringement of incident ray especially.Outermost layer can also keep its mechanical stability.Used pigment for well, also can be masterbatch and other pigment commonly used quartzy, commonly used, as copper phthalocyanine or TiO with carbon black 2, can also use organic ultraviolet stabilizing agent and biphenol compound.
Another preferred embodiment in, outermost layer conducts electricity.Owing to can derive all electric charges that the surface occurs, so can avoid producing electric spark.Therefore, compare, generally electrostatic charge can not occur at vessel surface with surrounding environment.The main hazard of electrostatic charge is taken place when mixture meets by burning things which may cause a fire disaster and explosive (inflammable), and the chemicals that transports in the said vesse belongs to this class explosive (inflammable) mixture exactly.Electric charge is because machinery separates (as the solid matter friction or topple over, liquid substance flows or cast), or electrostatic induction causes.Therefore, when selecting outermost material, should make surface ratio resistance≤10 5Ω is for well.Like this, this type of surface is a permanence antistatic.This is the reason that container of the present invention can be used for explosion-risk area.Used material better is the HDPE that sells with trade name Hostalen  GM 9350C black.
In yet another embodiment of the present invention, outermost layer strengthens with glass fibre or adding mechanical stability better material (as polymer), to improve container compressive resistance of the present invention, anti-dropping and shock proof intensity.In order to improve intensity, add the polyamide thin slice more fortunately in the outermost layer, thereby can be processed into composite polyethylene material as product " Selar " by name class.
In another particularly preferred embodiment, this container is double-deck.The most handy Lupolen  6021 D of innermost layer or Lupolen  4261AQ149 make, and its thickness accounts for the 20-40% of wall thickness, and outermost layer accounts for the 60-80% of wall thickness.Prove that now this structure is firm especially.
Of the present invention another preferred embodiment in, this container has three layers at least, having an intermediate layer simultaneously at least is to be made by production waste.These waste materials are so-called extruding clouts.When being container of the present invention " shaping ", they cut the part that falls in top and bottom.
Container of the present invention should have a hole at least, better two holes, and the diameter in a hole be preferably≤70 millimeters.The hole of opening in advance is used to install drowning pipe or cock plug.Their the most handy following one or more materials are made: HDPE, perfluoroalkoxy (PFA), polypropylene, PVdF and perfluoroethylene-propylene copolymer (FEP).
The capacity of another preferred implementation of container of the present invention is general 〉=and 5 liters, best 〉=200 liter.Adopt multilayer to blow the squeezing technology, can simply, apace, only in a procedure, make the container that is used to transport and store high-purity chemicals.These containers meet safety requirements.This means and to save considerable cost and time.
In addition, the present invention relates to blow the method that the extruder manufacturing is used for the laminated vessel of storage and transporting Chemicals (the particularly used high purity liquid chemical product of electronics industry) with the multilayer that comprises at least one an interior extruder and an outer extruder.This method comprises the steps: at least
A) extrudable polymer or copolymer are packed into outer extruder, extruder in the HDPE that will not contain stabilizing agent adds;
B) polymer in the outer extruder of plasticizing or the HDPE that does not contain stabilizing agent in copolymer and the interior extruder;
C) the plasticizing HDPE that does not contain stabilizing agent in the plasticizing polymerization thing in the outer extruder or copolymer and the interior extruder is co-extruded into building mortion;
D) in forming containers, be shaped and be used to store container with transporting Chemicals.
In order to avoid contacting with oxygen as far as possible, extrusion should carry out under inert gas shielding.Used inert gas is good with nitrogen.If yet adopt Lupolen  6021 D, do not need inert gas shielding.Operating temperature is higher than the fusing point that is extruded material, generally is advisable about 180-230 ℃.
In a preferred implementation of the inventive method, but in the extruded polymer or copolymer in the outer extruder, should have a kind of is the adoptable polymer of top listed outermost material, the HDPE that does not contain stabilizing agent in the interior extruder, should have a kind of is the adoptable HDPE of top listed innermost layer material.
Use the inventive method, can make laminated vessel of the present invention quickly and easily.Make a complete container and only need a continuous operation basically, need not to weld prefabricated sheet material later on, therefore on the container of making, also do not have weld seam.In manufacture process, different material layer is directly bonded together, can make the bonding between each layer proper especially and firm.
In addition, the present invention relates to the application of container of the present invention aspect storage and/or transportation ammonia solution, particularly the application aspect storage and/or transportation 20-30% ammonia solution.
Read following description by the reference accompanying drawing, can recognize other advantage of the present invention, feature and purposes scope embodiment.
Fig. 1 was stored and the cutaway view of the container of the present invention of transporting Chemicals (the particularly used high purity liquid chemical product of electronics industry) by thermoplastic being used for of making.
Fig. 1 represents to be used for to store and the cutaway view of the container of the present invention 1 of transporting Chemicals (particularly used in electronic industry high purity liquid chemical product).Container 1 is a drum shape or barrel-shaped.Its internal layer 2 preferred Lupolen  6021 D that adopt make, and the outer 3 preferred HDPE that adopt make.The proportion of outer 3 HDPE is preferably the 0.940-0.970 gram per centimeter 3, be preferably the 0.942-0.961 gram per centimeter 3, 0.946-0.960 gram per centimeter more preferably 3Two holes 4 are arranged at the top of container of the present invention.These holes are reserved for inserting pipe or cock.The diameter in hole is preferred≤and 70 millimeters.At the preferably prefabricated circular groove that is used to install the insertion pipe in the bottom of this container.Can be emptied completely salvage stores with inserting pipe.Outer preferably selecting for use a kind ofly is used to protect internal layer to avoid the pigment of ultraviolet damage.In addition, outermost layer preferably conducts electricity.In order to make container of the present invention reach best compressive resistance, its wall should be thicker.This stores for safety and transporting Chemicals is indispensable.For about 12 kilograms capacity, preferred wall thickness is 5 millimeters.For about 14 kilograms capacity, corresponding wall thickness is 6 millimeters.In double container, the thickness of internal layer accounts for the 20-40% of wall thickness, and outer field thickness accounts for the 60-80% of wall thickness.

Claims (12)

1. one kind is adopted thermoplastic to make with coetrusion, be used for storing and transporting Chemicals, mainly be the laminated vessel that is used to store and transport used in electronic industry high purity liquid chemical product, it is characterized in that this container made by the high density polyethylene (HDPE) that does not contain stabilizing agent at the innermost layer of content one side.
2. container as claimed in claim 1 is characterized in that the described high density polyethylene (HDPE) that does not contain stabilizing agent is that proportion is the 0.940-0.970 gram per centimeter 3Polyethylene.
3. container as claimed in claim 1 or 2 is characterized in that the described high density polyethylene (HDPE) that does not contain stabilizing agent is that proportion is the 0.940-0.970 gram per centimeter 3Polyethylene, it discharges a kind of in the following ionic impurity at least when contacting with chemicals:
Al≤60 nanogram/grams,
Ca≤60 nanogram/grams,
Fe≤63 nanogram/grams,
Mg≤16 nanogram/grams,
Ti≤4 nanogram/grams,
Zn≤6 nanogram/grams,
Mn≤0.3 nanogram/gram,
Cu≤1.5 nanogram/grams.
4. as each described container in the above-mentioned claim, it is characterized in that another layer at least of this container is made by extrudable polymer or copolymer.
5. container as claimed in claim 4, it is characterized in that wall at least another the layer make by high density polyethylene (HDPE), the proportion of described high density polyethylene (HDPE) is the 0.940-0.970 gram per centimeter 3Polyethylene.
6. as each described container in the above-mentioned claim, it is characterized in that another layer contains at least a high density polyethylene (HDPE) at least, this high density polyethylene (HDPE) is selected from the mixture of Lupolen  5261Z, Lupolen  4261AQ135, Hostalen  GM6255, Fina  56020, Borealis  8214, Stamylan  7731, Stamylan  7890, Daplen  AH5493 or above-mentioned two or more high density polyethylene (HDPE)s.
7. as each described container in the above-mentioned claim, it is characterized in that outermost layer contains ultraviolet protection pigment at least.
8. as each described container in the above-mentioned claim, it is characterized in that outermost layer conducts electricity.
9. as each described container in the above-mentioned claim, it is characterized in that described container is double-deck, the thickness of innermost layer accounts for the 20-40% of wall thickness, and outermost layer accounts for the 60-80% of wall thickness.
10. as each described container among the claim 1-8, it is characterized in that described container comprises at least three layers, have at least an intermediate layer to contain production waste.
11. one kind is blown the extruder manufacturing with the multilayer that comprises an at least one interior extruder and an outer extruder and is used for storing and transporting Chemicals, mainly is the method for the laminated vessel of accumulating used in electronic industry high purity liquid chemical product, this method comprises the steps:
A) extrudable polymer or copolymer are added outer extruder, and will not contain the interior extruder of high density polyethylene (HDPE) adding of stabilizing agent;
B) polymer in the outer extruder of plasticizing or the high density polyethylene (HDPE) that does not contain stabilizing agent in copolymer and the interior extruder;
C) the plasticizing high density polyethylene (HDPE) that does not contain stabilizing agent in the plasticizing polymerization thing in the outer extruder or copolymer and the interior extruder is co-extruded into building mortion;
D) in forming containers, be shaped and be used to store container with transporting Chemicals.
12. as each described container among the claim 1-10 store and/or the transportation ammonia solution aspect application.
CNB008060932A 1999-02-11 2000-02-01 Multilayer device for storing and transporting chemicals Expired - Lifetime CN1274492C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19905765.6 1999-02-11
DE19905765A DE19905765A1 (en) 1999-02-11 1999-02-11 Multi-layer device for storing and transporting chemicals

Publications (2)

Publication Number Publication Date
CN1346311A true CN1346311A (en) 2002-04-24
CN1274492C CN1274492C (en) 2006-09-13

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CNB008060932A Expired - Lifetime CN1274492C (en) 1999-02-11 2000-02-01 Multilayer device for storing and transporting chemicals

Country Status (9)

Country Link
US (1) US7378138B1 (en)
EP (1) EP1159131B1 (en)
JP (1) JP2002541026A (en)
CN (1) CN1274492C (en)
AT (1) ATE330790T1 (en)
AU (1) AU2906100A (en)
DE (2) DE19905765A1 (en)
HK (1) HK1045966A1 (en)
WO (1) WO2000047412A1 (en)

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CN103596752A (en) * 2011-05-17 2014-02-19 新美乐远东有限公司 Container, tube or chemical apparatus with colour indicator, and composite semi-finished product with colour indicator for producing a container, tube or chemical apparatus
CN101500792B (en) * 2006-05-18 2014-03-05 莫塞机械装置股份公司 Multilayer plastic container
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CN109094925A (en) * 2017-06-20 2018-12-28 瀚宇彩晶股份有限公司 Liquid contains bucket
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CN103596752A (en) * 2011-05-17 2014-02-19 新美乐远东有限公司 Container, tube or chemical apparatus with colour indicator, and composite semi-finished product with colour indicator for producing a container, tube or chemical apparatus
CN103879620A (en) * 2014-03-13 2014-06-25 无锡华瑛微电子技术有限公司 Chemical liquid storing bottle and manufacturing method thereof
CN103964039A (en) * 2014-03-13 2014-08-06 无锡华瑛微电子技术有限公司 Chemical liquid storage bottle and manufacture method thereof
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EP1159131B1 (en) 2006-06-21
CN1274492C (en) 2006-09-13
DE19905765A1 (en) 2000-08-31
DE50013053D1 (en) 2006-08-03
HK1045966A1 (en) 2002-12-20
ATE330790T1 (en) 2006-07-15
EP1159131A1 (en) 2001-12-05
JP2002541026A (en) 2002-12-03
WO2000047412A1 (en) 2000-08-17
AU2906100A (en) 2000-08-29
US7378138B1 (en) 2008-05-27

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